# \[PATCH 5/6\] powerpc/smp: Move setup\_profiling\_timer() under CONFIG\_PROFILING

- From: Michael Ellerman \<mpe@ellerman.id.au\>
- Date: 2021-11-24 09:45:06 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/11/9525243
- Thread: https://ratatoskr.run/linuxppc-dev/2021/11/9525240/t.md

```text
setup_profiling_timer() is only needed when CONFIG_PROFILING is enabled.

Fixes the following W=1 warning when CONFIG_PROFILING=n:
  linux/arch/powerpc/kernel/smp.c:1638:5: error: no previous prototype for ‘setup_profiling_timer’

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
 arch/powerpc/kernel/smp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index c23ee842c4c3..aee3a7119f97 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1635,10 +1635,12 @@ void start_secondary(void *unused)
 	BUG();
 }
 
+#ifdef CONFIG_PROFILING
 int setup_profiling_timer(unsigned int multiplier)
 {
 	return 0;
 }
+#endif
 
 static void fixup_topology(void)
 {
-- 
2.31.1

```